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  1. #1
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Your boost readings in what gear ??

    What peak boost are you seeing in your gears 1st -5th as I want to now if mine is correct.
    TQS owners prefrably.

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    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

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  3. #2
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Mines as follows

    1st - 5-6psi
    2nd - 6-8psi
    3rd - 8-10psi
    4th and 5th - same as 3rd
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  4. #3
    B5QUAT's Avatar
    2nd Gear

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    Not sure about first, as I tend to be quite mechanically symapthetic, but in the other gears mine his 12 psi dead which tails off to about 8-10 as the revs rise.

    In 5th it sometimes hits 14 but more often than not, it's bang on 12, angain tailing off as the revs go up.

  5. #4
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    So looking at my readings there's something out of the ordinary then would you say ?
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  6. #5
    "Stick a V8 in it!"

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    Whats your airflow figures like on vagcom?

    AJL (and AEB) doesnt have a boost sensor. It works out the boost pressure using a load calculation based on the airflow, so if the MAF is a bit dodgy and reading incorrectly you can end up with squiffy boost. Your fuel trim values might also show something odd if its a MAF fault, and you did say you had a fault code about mixture, which again might point at the MAF.

    I dont have a gauge, but i've pulled a log thru second and the airflow figures show a nice flat torque curve ~170lb/ft which is the book figure, so would suggest that the car is making full boost in second gear.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


 

 

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